Air Quality in Leça do Bailio, Portugal
Overcast
17.5°C · 93.9% humidity
17.5°
Feels 17.5°
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Leça do Bailio's air quality — share it
AQI Forecast
66
4am
66
66
8
7am
24
24
33
10am
19
23
26
1pm
28
30
31
4pm
32
33
33
7pm
33
33
34
10pm
54
54
54
1am
54
54
Air Quality Index Trend
49h · 4 stnLeça do Bailio's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
93.9%
Humidity
20.6 km/h
Wind ESE
1018.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
1.9 µg/m³
PM10▲
41.2 µg/m³
050100150200300500
What is the weather forecast for Leça do Bailio?
Temperature & Precipitation
PM2.5 Trend
49h · 4 stationsPM2.51.9 µg/m³
✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
1.9
Median
1.9
Average
1.9
Low
1.9
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +14.4
What is the 7-day forecast for Leça do Bailio?
07-22
18.8° 17.5°
07-23
18.9° 17.4°
4.81 mm
07-24
17.7° 17.4°
07-25
19.5° 17.2°
0.13 mm
07-26
20.3° 14.8°
07-27
19.1° 17.1°
0.31 mm
07-28
19.6° 17.4°
Both models agree
Avg diff: 3.6°C
Where are air quality stations near Leça do Bailio?
68
Sobreiras-Lordelo do Ouro, Porto, Portugal
34
Sobreiras-Lordelo do Ouro, Porto, Portugal
21
AirGradient O-1PST
30
Paços de Ferreira, Paços de Ferreira, Portugal
30
Paços de Ferreira, Paços de Ferreira, Portugal
What cities are near Leça do Bailio?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T06:43 UTC.